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TEACHER RETIREMENT SYSTEM OF TEXAS: IOSP position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TEACHER RETIREMENT SYSTEM OF TEXAS on IOSP, newest first. How the timeline and the estimate are built.

TEACHER RETIREMENT SYSTEM OF TEXAS held 85,463 IOSP shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 85,463 shares
    Change vs previous 13F -17,639 shares

    0.02% of the 13F portfolio, value $6,955,833.

    13F-HR 0000796848-26-000010 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 103,102 shares
    Change vs previous 13F +18,677 shares

    0.03% of the 13F portfolio, value $7,528,509.

    13F-HR 0000796848-26-000002 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 84,425 shares
    Change vs previous 13F +22,027 shares

    0.02% of the 13F portfolio, value $6,461,889.

    13F-HR 0000796848-26-000001 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 62,398 shares
    Change vs previous 13F +2,388 shares

    0.02% of the 13F portfolio, value $4,814,630.

    13F-HR 0000796848-25-000010 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 60,010 shares
    Change vs previous 13F +53,809 shares

    0.02% of the 13F portfolio, value $5,046,240.

    13F-HR 0000796848-25-000006 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 6,201 shares
    Change vs previous 13F -50,780 shares

    <0.01% of the 13F portfolio, value $587,545.

    13F-HR 0000796848-25-000004 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 56,981 shares
    Change vs previous 13F -3,360 shares

    0.02% of the 13F portfolio, value $6,271,000.

    13F-HR 0000796848-25-000003 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 60,341 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $6,824,000.

    13F-HR 0000796848-24-000017 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).